281271760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{593}}^1$

素因数の和:642

約数の個数: 180

約数和(自身を含む): 837579204

約数和(自身を除く): 556307444

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 121, 140, 154, 176, 196, 220, 242, 245, 280, 308, 385, 392, 440, 484, 490, 539, 560, 593, 605, 616, 770, 784, 847, 880, 968, 980, 1078, 1186, 1210, 1232, 1540, 1694, 1936, 1960, 2156, 2372, 2420, 2695, 2965, 3080, 3388, 3920, 4151, 4235, 4312, 4744, 4840, 5390, 5929, 5930, 6160, 6523, 6776, 8302, 8470, 8624, 9488, 9680, 10780, 11858, 11860, 13046, 13552, 16604, 16940, 20755, 21560, 23716, 23720, 26092, 29057, 29645, 32615, 33208, 33880, 41510, 43120, 45661, 47432, 47440, 52184, 58114, 59290, 65230, 66416, 67760, 71753, 83020, 91322, 94864, 104368, 116228, 118580, 130460, 143506, 145285, 166040, 182644, 228305, 232456, 237160, 260920, 287012, 290570, 319627, 332080, 358765, 365288, 456610, 464912, 474320, 502271, 521840, 574024, 581140, 639254, 717530, 730576, 913220, 1004542, 1148048, 1162280, 1278508, 1435060, 1598135, 1826440, 2009084, 2324560, 2511355, 2557016, 2870120, 3196270, 3515897, 3652880, 4018168, 5022710, 5114032, 5740240, 6392540, 7031794, 8036336, 10045420, 12785080, 14063588, 17579485, 20090840, 25570160, 28127176, 35158970, 40181680, 56254352, 70317940, 140635880, 281271760]

約数ペア:

[(1, 281271760), (2, 140635880), (4, 70317940), (5, 56254352), (7, 40181680), (8, 35158970), (10, 28127176), (11, 25570160), (14, 20090840), (16, 17579485), (20, 14063588), (22, 12785080), (28, 10045420), (35, 8036336), (40, 7031794), (44, 6392540), (49, 5740240), (55, 5114032), (56, 5022710), (70, 4018168), (77, 3652880), (80, 3515897), (88, 3196270), (98, 2870120), (110, 2557016), (112, 2511355), (121, 2324560), (140, 2009084), (154, 1826440), (176, 1598135), (196, 1435060), (220, 1278508), (242, 1162280), (245, 1148048), (280, 1004542), (308, 913220), (385, 730576), (392, 717530), (440, 639254), (484, 581140), (490, 574024), (539, 521840), (560, 502271), (593, 474320), (605, 464912), (616, 456610), (770, 365288), (784, 358765), (847, 332080), (880, 319627), (968, 290570), (980, 287012), (1078, 260920), (1186, 237160), (1210, 232456), (1232, 228305), (1540, 182644), (1694, 166040), (1936, 145285), (1960, 143506), (2156, 130460), (2372, 118580), (2420, 116228), (2695, 104368), (2965, 94864), (3080, 91322), (3388, 83020), (3920, 71753), (4151, 67760), (4235, 66416), (4312, 65230), (4744, 59290), (4840, 58114), (5390, 52184), (5929, 47440), (5930, 47432), (6160, 45661), (6523, 43120), (6776, 41510), (8302, 33880), (8470, 33208), (8624, 32615), (9488, 29645), (9680, 29057), (10780, 26092), (11858, 23720), (11860, 23716), (13046, 21560), (13552, 20755), (16604, 16940)]